メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.98913098003 34.909974867331, 136.98898208807 34.9110571355939, 136.988974186826 34.911053602905, 136.988627740505 34.9108983668254, 136.988094721334 34.9106882063145, 136.988037970007 34.9106658665671, 136.987715956349 34.9105206644481, 136.987238919384 34.9102722678337, 136.98716483689 34.9102337042791, 136.986900404001 34.9100761186625, 136.986467277206 34.9098989159616, 136.988981887012 34.9088738535082, 136.989063452679 34.9093112624065, 136.989129140977 34.9096887138022, 136.98913098003 34.909974867331)) ^^http://www.opengis.net/ont/geosparql#wktLiteral